The Calphalon Nonstick Bakeware 12x17-in. Baking Sheet has a large baking surface and raised edges so you can use this cookie sheet to bake everything from cookies to sheet cakes. Edges ensure that your baked goods won't slide off when removing from the oven. Furthermore, liquids from jelly rolls, strudels or calzones won't spill over the sides or make a mess of your oven. Calphalon Nonstick Bakeware baking sheets have interlocking nonstick layers to deliver high performance release. Even the stickiest baked goods can be removed cleanly for beautiful results and easy cleanup.